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547: Difference between revisions
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1A5 has spoiler hole. 1L30/1L40 have it for no reason.
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Vintage dave (talk | contribs) (1A5 has spoiler hole. 1L30/1L40 have it for no reason.) |
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The plug-in bay of the 547 has a "spoiler switch" that only enables the full bandwidth of the 547's | The plug-in bay of the 547 has a "spoiler switch" that only enables the full bandwidth of the 547's | ||
vertical signal path when certain relatively modern plug-ins are used, | vertical signal path when certain relatively modern plug-ins are used, | ||
such as the [[1A1]], [[1A2]], [[1A4 | such as the [[1A1]], [[1A2]], [[1A4]], and [[1A5]]. | ||
Those plug-ins have a small hole to the left of the plug-in to mainframe connector, | Those plug-ins have a small hole to the left of the plug-in to mainframe connector, | ||
so they can be fully inserted without pressing the spoiler switch. | so they can be fully inserted without pressing the spoiler switch. | ||
(Spectrum analyzer plug-in Types [[1L30]] and [[1L40]] have the hole too but for no reason since their vertical output is low frequency.) | |||
* [[Media:Spoiler switch rationale from Tek 547 544 546 tech instr and training.pdf|Spoiler switch explanation excerpted from Tek 547 544 546 Technical Instruction and Training (PDF)]] | * [[Media:Spoiler switch rationale from Tek 547 544 546 tech instr and training.pdf|Spoiler switch explanation excerpted from Tek 547 544 546 Technical Instruction and Training (PDF)]] | ||